Carotenoids, the same pigments which give orange color to carrots and red to tomatoes, are often found together in plants with chlorophyll pigments that harvest solar energy. Their main function is photoprotection when rays of light from the sun are

The results suggest life first appeared about 10 billion years ago, far older than the Earth's projected age of 4.5 billion years. So even if it's mathematically possible for life to have existed before Earth did, is it physically possible?

"It is my belief," he says, "that anyone who dies of a cause that is reversible should not really die any more. That is: every heart attack victim should no longer die. I have to be careful when I state that because people will say, 'My husband h

It might be 10 years since the last installment of "The Matrix" was released, but GE decided to use Agent Smith as the new spokesman for its campaign about the "brilliant machines" which help the medical industry.

n 2011,there were more than one billion cars and trucks in use in the world,compared with around 70 million alternative fuel and advanced technology vehiclesthat had been sold or converted worldwide as of December 2011.

I was just thinking about the issues more, and watching as the industry and the regulators and the whole nuclear safety community continues to try to figure out how to address these very, very difficult problems,” which were made more evident by the

The car of the 21st century is an ultra-efficient, slippery sled on wheels that’s half plane, half pod, 1,400 pounds and capable of triple-digit fuel economy. At least, that’s what the crew at Edison2 believe.

The world’s biggest scheme to certify that seafish come from sustainable sources has come under fire in a scientific journal, where researchers say the label is too generous and may “mislead” consumers.

In a muddy field located between a motorway and a meander of the Seine southeast of Paris, French archaeologists have uncovered an Iron Age graveyard that they believe will shed light on the great yet enigmatic civilisation of Gaul.

Activists have planted a flag at the North Pole along with millions of signatures calling for the Arctic to be declared a global sanctuary protected from oil drilling, lobby group Greenpeace said on Monday.

The Supreme Court heard oral arguments on Monday in a challenge by a contingent of breast cancer patients and women’s health organizations against a Utah company’s claim to being able to patent human genes.

“This is the direction battery research is going, not only for something with high energy density but also high power density,” Ajayan said. “It’s somewhere between a battery and a supercapacitor.”
The ribbons also have the advantage of using rela